On Tue, Nov 14, 2017 at 10:16:43AM -0800, Sean Christopherson wrote: > This semaphore approach is broken due to the LE process using an anon inode for > /dev/sgx, which results in sgx_release being called without an accompanying call > to sgx_open. This causes deadlocks due to a semaphore underrun. > > https://lists.01.org/pipermail/intel-sgx-kernel-dev/2017-November/000901.html Thank you for catching this. I can only say that I forgot to fix it it for v5. It will be refined for v6. /Jarkko